"They talked about filming the episode in Dayton, but discovered it would be cheaper to do it in Chicago," said Lora Ducat, NBC's director of TV production clearance."But that wasn't so surprising because our season-opening episode was set in Indiana, but filmed in Pennsylvania."

The fact that C.J.'s father has Alzheimer's shouldn't come as a complete surprise to West Wing fans."In past shows, she has alluded to the fact that her father's memory is going," Ducat said.

"They talked about filming the episode in Dayton, but discovered it would be cheaper to do it in Chicago," said Lora Ducat, NBC's director of TV production clearance."But that wasn't so surprising because our season-opening episode was set in Indiana, but filmed in Pennsylvania."

The fact that C.J.'s father has Alzheimer's shouldn't come as a complete surprise to West Wing fans."In past shows, she has alluded to the fact that her father's memory is going," Ducat said.